linux-kernel - Re: Question about fixed-clock

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Message-ID: <20130307184240.GA3327@afzal-ThinkPad-R50e>
Date:	Fri, 8 Mar 2013 00:12:41 +0530
From:	Afzal Mohammed <afzal.mohd.ma@...il.com>
To:	Daniel Mack <zonque@...il.com>
Cc:	Fabio Estevam <festevam@...il.com>,
	Russell King <linux@....linux.org.uk>,
	Mike Turquette <mturquette@...aro.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: Question about fixed-clock

Hi Daniel,

On Tue, Feb 19, 2013 at 09:09:31AM +0530, Afzal Mohammed wrote:

> Hope invoking of_clk_init before clock generator driver helps

Mails coming from this id are in my personal capacity.

On Tue, Feb 19, 2013 at 10:53:18AM +0100, Daniel Mack wrote:
> On 19.02.2013 02:33, Fabio Estevam wrote:

> > Have you registered it with clk_register_fixed_rate() ?

> Hmm no, I didn't do anything else than adding it to the DT in the first
> place, hoping that a driver will pick it up and add the clock for me.
> But it turns out that of_clk_init() is not called at all on my platform.
> 
> I'm doing this now from omap_generic_init() and it works. If that's an
> appropriate place to call it, I can provide a patch.

Initially didn't realize that it was for an am335x based one.

I feel that for a platform having it's clock tree in DT, of_clk_init
would take care of it, but if clock tree data is not in DT, clock
tree would have to be extended in a non-DT way.

Regards
Afzal
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